Fastening inserting mechanism



Dec. 22, 1931. CHAPELLE 1,837,275

FASTENING INS ERTING MECHANISM Filed March 29, 1929 2 Sheets-Sheet 1 Fig.5. Fig.4

Dec. 22, 1931.

118 IA; 06 98 "'6 '6 o 100 102/ J4 JIO-"WK F. N. LA CHAPELLE FASTENING INSERTING MECHANISM Filed March 29, 1929 2 Sheets-Sheet 2 I 764 TOE.

Patented Dec. 22, 1931 UNITED STATES JERSEY Application filed March 29,

This invention relates to fastening inserting mechanisms and is illustrated herein as embodied in a peg inserting implement adapted to be held in the hand of an operator and to be moved from one spot-to another to insert pegs'through the upper and into the insoleof the heel-and toe portions of a shoe the upper of which has been wiped into lasted relation toan insole on a last upon which the shoe is mounted in a bed lasting machine Thus the illustrated implement is intended totalre the place of the ordinary hand taclrer, inserting fiber pegs instead of taclrs.- It should be understood, however,

that the invention is not limited in its utility to embodiment in a hand implement.

- vi-ously in various of its aspects it may be embodiedin fastening inserting mechanisms or machines of other characters.

It is anobject of the present invention to provide an improved fastening lnsertlng 1mplement constructed and arranged to drlve fastenings into shoe parts. The illustrated implement inserts fiber pegs severed from a strip of fiber fastening material such as paper twine. It has been found necessary to form holes in the shoe parts for the reception of these fiber pegs and the problems to be solved in providing a satisfactory fastening inserting implement have, accordingly,'been complicated by the necessity of providing the implement with an awl and awl operating means in addition to the peg presenting means and the driver and driver operating mea'nsQ With these circumstances in view, an im portantfeature of theinventioncomprise an improved constructionv in which an awl bar and driver bar are mounted for reciprocat ing movement toward and'from a worlr piece, conneotionsbetween the two beingprovided whereby the early portion of the movement of the driver bar toward the work piece is effective to move the awl bar-toward the work piece,causing the awl to form fastening receiving holes in the workpiece and there'- after during continued movement of the driver bar, withdrawing'the awl bar to a po sition such that the awl does not interfere with the insertion by the driver of a fastening in thehole formed by the. awl.

r ATENT] OFFICE:

rnnn N. LA CHAPELLE; or BEVERLY, MASSACHUSETTS, nssrenon To UNITED sirQE ivrecnmnav CORPORATION, or PA'rEnson, new JERSEY, A oonronnrronon NEW FASFIENING msnnrnvemncnnmsm: V

1929. Serial No. 350,901.

In the illustrated constructionyand in accordance with this and other features of'the invention, the awl bar carries a latch member, which, during the early movement of the driver bar toward the work piece, moves the awl bar in a direction to move tllE/fiWllIltO alineinent'with the driver andthen to thrust the awl' into the work piece in the line of drive; forming a fastening receiving hole therein. Then the latch member is tripped and, as the driver bar continues its movement towardthe work piecey the awl' bar is withdrawn by powertransmitted to it from the-driver bar through a rocking member which serves also to supply power for the severing of a pegfrom the strip of peg material and to present that peg to thedriver to be inserted thereby in the hole formed by the awl.

,If itshould happen that the driver bar 'is notreciprocated'through its full stroke a peg might be left in thenozzle ofthe implement, causing damage to the awl upon the next attempt to operate the implement, According- 1y, another feature of the invention comprises improved mechanism illustrated as a latch arranged to prevent -the driver bar (which, as disclose'd herein, takes the form of a spring returned plunger.) from returning to its nor.-

mal'- inoperative position if it is moved 7 through less than its complete normal path. With the above and other objects and features in View theinvention will now' be ides scribed with referenceto theaccompariying drawings and pointed out in theclaims.

In-the drawings: "Fig. 11xis a side ele'vationof a peg insert- ,in implement embodying the present inaoo than Fig. 1 and looking in the opposite direction, part of the casing being broken away; and

Figs. 6 and 7 are side elevations of the lower portion of the device with the front of its casing removed and looking in the same direction as Fig. 1, showing particularly the means for severing pegs from a strip of peg material and for presenting pegs in line with the driver and the throat opening of the implement, Fig. 6 showing the parts in the position which they occupy as the awl finishes its work penetrating movement and Fig. 7 showing the parts after the awl has been withdrawn from the work piece and with a fastening in the line of drive.

The illustrated peg inserting implement is provided with a hollow casing 10 adapted to be held in the hand of an operator and supporting a reel 12 (Fig. 1) on which is wound a strip of fiber fastening material such as paper twine 14. Mounted for. vertical reciprocation in ways formed in the casing 10 is a plunger 16' constituting a driver bar and having a driver 18 secured to its lower end. A spring 20 is housed in the plunger 16, bearing at its upper end against a plug 22 threaded into the head 24 of the plunger and at its lower end against a channel-shaped member 26 straddling a pin 28 passing through slots 30 formed in the walls of the plunger and supported at its ends by the casing 10. The spring 20 thus serves normally to hold the plunger 16 in elevated position, as shown in Fig. 1, and permits it to be forced downwardly to the position shown in Fig. 2 when struck by a maul such as is commonly used to de press the plunger of a hand tacker.

An awl bar 32 is also mounted for movement in the casing 10 toward and from a work piece to which the nozzle 34 of the implement is presented. To guide the awl bar 32 in its movement it is provided with a pair of slots 36 the upper portions of which are parallel to the direction of movement of the plunger or driver bar 16 and the lower portions of which are inclined downwardly and to the left, as shown in Figs. 1, 2, 6 and 7. Received in each of the slots 36 is a stud 38 surrounded by a wear member or roll 40 of a diameter which is an easy sliding fit in the slot 36. Thus it will be seen that as the awl bar 32 starts to move downwardly from the position of Figs. 1 and 7 to the position of Figs. 2 and 6 it is first moved in a direction having a transverse component to the left until the awl 42, which is rigidly secured to as by being formed integrally with the lower end of the awl bar 32, is in alinement with the driver passage 44 of the nozzle 34. By this time the vertical portions of the slots 36 are in engagement with the rolls 40 and the awl bar 32 moves straight down projecting the awl 42 from the nozzle 34, as shown in Fig. 6, thus forming a fastening receiving hole in the work piece to which the nozzle 34 of the implement has been presented. This takes place during the first quarter or thereabouts of the downward movement of the plunger 16.

In order to cause the downward movement of the plunger 16 to move the awl bar 32 in the manner just described, detachable connections between the two are provided comprising a latch member 46 (Figs. 1 and 2) pivoted at 48 to the awl bar 32 and provided near its lower end with a surface 50 positioned, when the plunger is in its inoperative position, beneath a hardened block 52 secured to the plunger 16 near the lower end thereof. A spring 54, anchored at its upper end to the latch member 46 and bearing at its lower end against a stud 56 secured to the awl bar 32, is provided with a coil surrounding the pivot 48 and tends to rock the latch member 46 in a clockwise direction, as viewed in Fig. 1, thus maintaining engagementbetween the surface 50 of the latch member and the lower surface of the block 52. After the awl bar 32 has moved downwardly a short distance from the position shown in Fig. 1 an inclined surface 58 formed on the latch member 46 near its upper end strikes a similar inclined cam surface 60 formed on a block 62 secured to the casing 10 thereby rocking the latch member 46 in a counter-clockwise direction, as viewed in Fig. 1, and thus breaking the connection between the surface 50 of the latch member 46 and the lower surface of the block 52 so that the plunger 16 is free to continue its downward movement without causing further downward movement of the awl bar 32.

By this time, it will be remembered, the awl 42 has formed a fastening receiving hole and is ready to be withdrawn from the work piece and returned to its original position where it is out of alinement with the driver 18 and will not interfere with the insertion of a fastening in the hole by the driver 18. Accordingly, the plunger 16 is provided with a cam surface 62 near its lower extremity arranged, as the plunger 16 moves dow. wardly, to strike the left hand portion of a combined gear and cam member 64 mounted for rocking movement on a pin 66 supported by the casin 10. The right hand portion the member 64 is provided with a cam surface 68 arranged, as the member 64 is moved by the cam surface 62 in a counterclockwise direction from the position shown in Fig. 1 to the position shown in Fig. 2, to contact with a roll 70 mounted upon the stud 56. and by its continued movement to return the awl bar to its original position, as shown in Fig. 2.

During this return movement of the awl bar 32 the driver'18 continues its downward movement and by the time the awl bar has been returned to its original position the dIlVI.ll2LS reached theposition shown in Fig. 7 In the meantime apeg 72 (Fig. 7)

end of the tube 74 Vis in 'aliiiement with a hole 76 formed in a web 78 at the lower end of the casing 10. Pivoted to the casing 10 below the web 78 and substantially at the upper end of the nozzle 34 is fastenin rshearin and transfer member 80*provided with a hole arranged to receivezthestrip of fastening ma-,

terial 14 when the member '80 is in itsleft hand position, as shown in Fig. 6, and to. shear a peg from the strip of material as it moves to the right to -the.position shown in Fig. thus bringing the peg into alinement with a driver passage formed in the web 82'and having its upper end flared, as shown at 83 in Figsfiand 7. i

The member 80 is slotted at itslower righthand portion, as shown in Figs. 6 and .7, to' prevent interference. with the upper portion of the awl 42. v A lever .84 is secured to the member 8-0 and is provided at its upper endwith agear segment 86meshing with a gear segment 88 formed on the combined gear and cam member so that the same rocking movement of the member 64 is effective'both.

in Fig. 1 and is effective to accomplish this.

purpose during the return movement of the plunger or driver bar 16. 6

Means, also operated by the downward movement of the plunger 16, is provided to feed the fastening material 14 forward to themember 80. This comprisesa feed'dog 94 5) carried by a bell crank lever 96' fulcrumed at98 to ablbclrlOO- provided at its lower edge with a flange 102 located in a transverse slot near the lowerend of the driverbar 16. A spring 104 tends to rock the bell crank lever 96 ina counterclockwise direction, asviewed in Fig. 5, thus gripping the fastening material l4between a-surface ofthe feed dog 94 and a cooperating surface 106 formed on the block 1 The lower end of the depending arm of the bell crank lever 96 is provided with a surfacelOS arranged early in the downward movement of the driver bar 16 to engage aroll 110 mounted on a- P e 1 ensib -ra d. in a set 11 formed in the casing 10, thereby rocking the bell .cranlrlever 96 in a clockwise direction, as viewed in Fig. 5,:against the spring. 104

and-therebyreleasing the dog. 94 from the fastening material. 14. Thus only a short portion ofthe strokeof the driver bar or plunger 16 is effective to feed the strip fof fastening material 14 andthis occurs during the early part of the stroke.

To prevent retrograde movement ofthe strip of fastening material 14 a second dog 116', similar tothe feed dog 94, is carriedby a lever 118 fulcrumed at 120 to an adjustable block'121 carried by thecasing 10 and clamping the fastening material 14 against a stationary surface carried by the block 121 in such a manner as to permit feeding movement by the dog 94 but to prevent move ment of the fastening material in a reverse direction. V

- The implement is provided with a safety device to prevent damage to theawl if a peg 7. should become jammed in the driver passage;

This device is arranged to. prevent the'ret-urn of the plunger 16 to its normal inoperative position at a time when it has been moved through a path less than its complete normal stroke. Thus if the driver is moved. only part; way'through the nozzle 34, leaving a peg in the nozzle, the plunger '16 will fail to. return i to its inoperative position and the operator will be warned that something is wrong. He.

will then. proceed togclear the obstruction, then move the plunger 16 throughits com-- plete stroke, after which it will return to the position of Fig. 1. This safety device com-' prises a-latch block122 (Fig. 4) secured to thelower part of the driver bar or plunger 16 and provided with a plurality of transverse grooves 124 in a surface which engages a slide bar 126 mounted for vertical movement through a short path in ways formedin cas 'ing 10. The slide bar 126 is provided with a slot 128 through which projects a spring latch member 130 secured at 132 to the casing 10, A portion 134 of the slide bar 126 overlies a portion of the latch member130, permitting the latter to project into the path of movement of the latch block 122 when the, slide bar-126 occupies its upper position;

which it does at all times except when the plunger 16 is completing its downward stroke and thereafter is making its return strokeup:

wardly. The slide bar 126 is provided with :1 lug 136 at its upper-end and with another lug 138. at its lower end, these lugs projecting into the path of the movement ofthe latch block, 122. Thus when the driver 16 and the latch block 122 approach the lower end of their paths of movement, the slide bar 126 is moved a short distance downwardly by the impact of the latchblock 122 against the lug 138, the portion 134 of the slide bar 126 moving the spring latch member130to the left, as viewed in Fig. 4, out of the path of movement of the latch block 122 so that the plunger 16 is free to return to its normal lnoperative position. If, however, the downward movement of the plunger 16 is arrested before the latch block 122 reaches the lug 138 the latch member 130 will catch in one of'the grooves 124 of the latch block 122 and will prevent the return of the plunger 16. This, of course, will take place at any time when the implement has been operated in such a manner that the driver 18 has failed to force a peg out of the nozzle 34 of the implement by reason of failure to complete the downward stroke of the plunger 16. The upper end of the latch block 122 hits the lug 136 moving the slide bar 126 upwardly and releases the spring member 130 at the end of the upward stroke of the plunger 16.

In using the illustrated peg inserting implement the operator grips it in his hand, bringing its nozzle 34 into engagement with the upper of a shoe in which a peg is to be inserted. He then strikes the upper end of the plunger 16, causing the latter to move downwardly from the position shown in Fig. 1 to the position shown in Fig. 2. As the plunger 16 is depressed the feed dog 94 is operated to feed the strip of peg material downwardly, thrusting the end of the strip into the severing and transferring member 80 which at that time occupies the position shown in Fig. 6. Then, when the surface 108 of the bell crank lever 96 reaches the stud 114,. the feed dog 94 is released so that further movement of the plunger 16 does not affect the strip of fastening material 14. During this same portion of the downward movement of the plunger 16 the awl bar 32 has been moved to the ieft, as viewed in Figs. 1 and 2, and downwardly, thrusting the awl 42 through the nozzle, as shown in Fig. 6, in a path the portion of which beyond the outer or lower end of the nozzle coincides with the line of drive and forming a fastening receiving hole in the work piece. hen this has taken place the latch 46, which until this time has formed an operative connection between the plunger 16 and the awl bar 32, is released by engagement of its surface 58 against the cam surface 60 of the block 62. Next the combined gear and cam member 64 is engaged by the cam surface 62 of the plunger 16 and is rocked from the position of Fig. 1 to the position of Fig. 2 thus causing the member 80 to sever a peg and to transfer it to driving position, as shown in Fig. 7. At the same time the surface 68 of the member 64, by engagement with the roll 70, lifts the awi bar 32 and returns it to its original position, thus moving the awl 42 out of way of the driver 18. Continued downward movement of the plunger 16- moves the driver 18 through the driver passage into engagement with the fastening 72, forcing the latter through the nozzle 34 and into the hole formed by the awl 42 in the work piece. In this connection it may be noted that the left-hand surface of the awl itself, (as viewed in Fig. 7 forms a portion of the wall of the driver passage in the nozzle 34 since the latter is slotted to permit the transverse movement of the awl. Near the end of the downward movement of the plunger 16 and the driver 18 the latch block 122, which, it will be remembered, is secured to the driver bar 16, engages the lug 138 of the slide bar 126, moving the slide bar 126 downwardly and thus causing the portion 134 of the slide bar 126 to force the spring latch member 130 out of the path of movement of the latch block 122 so that the plunger 16 can be returned to its inoperative position by the spring 20.

Having thus described my invention what I claim new and desire to secure by Letters Patent of the United States is:

1. Fastening inserting mechanism comprising a driver bar reciprocable toward and from a work piece, a driver carriedat the lower end of the driver bar, an 'awl bar, an awl integral with the lower end of the awl bar, a nozzle through which the awl and driver are reciprocated, and connections between the awl bar and the driver bar con structed and arranged to reciprocate the awl bar during the early portion of the movement of the driver bar toward the work piece in a path the portion of which beyond the outer end of the nozzle coincides with the line of drive, thereby causing the awl to form a fastening receiving hole in the work piece and to be withdrawn therefrom without interference with the insertion of a fastening in said hole by the driver during a later part of the movement of the driver bar.

2. Fastening inserting mechanism comprising a driver bar mounted for longitudinal reciprocation, a driver carried by the lower end of the driver bar, an awl bar mounted for lengthwise movement, an awl rigidly connected to the lower end thereof, connections between the awl bar and the driver bar constructed and arranged to cause the early part of the movement of the driver bar toward a work piece to thrust the awl into the work piece in a path coincident with the line of drive, forming fastening receiving holes therein, and then to withdraw the awl from the work piece, and means for presenting a fastening for insertion by the driver upon continued movement of the driver bar.

3. A fastening inserting mechanism comprising a driver bar reciprocable toward and from a work piece, a driver carried at the lower end of the driver bar, an awl positioned normally out of alinement with the driver, and connections between the driver bar and the awl constructed and arranged to move the awl into alinement with the driver and then toward and into the work piece lilo Eli

7 thereby formingafastening receiving hole in the workpiece during the early part of the movementof. the driver bar towardthe work piece,a cam, and means for rotating the cam and thereby withdrawing the awl from the work piece.

4. A fastening inserting mechanism comprising a driver bar reciprocable toward and from a work piece,a driver carried'at the lower end of the driver bar, an awl bar, an awlcarried by the awl bar and rigid therewith positioned normally out ofalinement with the driver, means for'moving the awl into alinement with thedriver and toward and into the work piecetherebyrforming a fastening receiving hole in the work;v piece, said awl moving means including a latch forming a connectionbetween the awl bar and the driver bar constructedrand arranged to cause the earlyportion of the movement of the driver bar from its inoperative position toward the work piece to cause'work-piercing movement of the awlbar, and a: cam pivoted to a stationary part of the mechanism and operated by continued movement of the driverbar to withdraw the awl.

5.- A fastening-inserting mechanism comprising a driverbar reciprocable toward and from a work piece, a driver carried by the lower end of the driverbar, anawl, connece tions between the driver bar and the awl constructed andxarranged to move the awl toward and intothe work piece thereby form-. ing a fastening receiving hole in the work piece during the early part of the movement of thedriver bar toward the workpiece, a cam, and means for rotating the cam thereby withdrawing the awl from the work piece and moving it out of alinement with the driver. r j

6. Fastening inserting mechanism comprising a driver bar reciprocable toward and from a work piece, a driver carried at the lower end of the driver. bar, an awl bar, an awl integral therewith and normally out of alinement with the' driver, connections between the awl bar and the driver bar including a latch constructed and arranged to move the awl bar during the early portion of the movement of th'edriver bar toward'the work piece, thereby bringingthe awl into alinement with the driver, causing the 'awl to form a fastening receiving hole inthe work piece and tobe withdrawn therefrom, and a cam pivoted to a stationary part of the mechanism and rocked by the continued movement of ,the driver bar thereby moving the awl back to its normal position without interference with the'insertion of a fastening in said. holeby the driver during a later' part of the movementvof the driverbar;

7 A fastening inserting implement comprising a casing formed to be held'in the driver carried by the lower end of the plunger, an awl bar mounted forlengthwise movement in the casing,'an awl carried at the lower end of the awl bar and rigid therewith, connections between the awl bar and the plunger including a-latch member pivoted to the awl bar and constructed and-arranged to cause the early part of the movement of the plunger toward a work piece to thrust the awl into the work piece, forming fastening receiving holes therein in alinementwith the driver, a cam pivoted to the casing andoperated by the continued movement of the plunger to withdraw the awl'from the workpiece, and means for presenting a fastening in line with the hole formed by the awl in the work piece in position to be inserted by the driver by continuedmovement of the plunger.

' 8.'A fastening inserting implement com-. prising a casing formed-tobe held in the hand of an operator, a reel carried by the casing and holding a coiled strip of fasten ing material, a manually reciprocable plunge er' carried by the casing, a driver carried by the plunger, and means for presenting fastenings to be inserted by the driver including a: pivoted member provided with'a driver passage arranged to receive'the'end of the strip of fastening material and gearing operated'by the descent of the plunger arranged 'ried' by the plunger, an awl bar, an awl carried thereby, connections between the plunger and the awl bar constructed and arranged to reciprocate the awl bar during the early part of the reciprocation of the plunger to cause the awl to form fastening receiving holes in a work piece to which the implement is presented, and means for supplying fas tenings to be inserted by thedriv'er in'the holes formed by the awl including a movable member provided with a driver passage arrangedto receive the end of a strip of fas'- tening material and for movement thereafter into alinementwith the driver and with a hole formed in the work "piece by the awl thereby severing a fastening from the strip 7 of material and presenting it in position to be inserted by the driver, v

10. Peg inserting mechanism comprising acasing having a driver passage, at its lower end," a driver bar reciproc'able'in the casing amt-carrying at its lower end, a driver "in alinement with said driver-passaga'an awl positioned normally out of alinement 'with the driver passage, means-rm: Inovingthe a'Wl" into alinement' with and through the driver passage, thereby forming a fastening receiving hole in a work piece, and forthereafter withdrawing the awl from the work piece and moving it out of alinement with the driver passage, and a pivoted memher for severing a peg from a strip of peg material and moving it into alinement with the driver passage and the hole formed by the awl in the work piece in position to be inserted by the driver.

11. Peg inserting mechanism comprising a casing having a driver passage at its lower end, a driver bar reciproca-ble in the casing toward and from a work piece and carrying at its lower end a driver in alinement with said driver passage, an awl positioned normally out of alinement with the driver passage, connections between the driver bar and the awl arranged during the early part of the movement of the plunger toward the work piece to move the awl into alinement with and through the driver passage, thereby forming a fastening receiving hole in the work piece, and thereafter withdrawing the awl from the work piece and moving it out of alinement with the driver passage,'and pivoted means for shearing a peg from a strip of peg material and moving it into alinement with the driver passage and the hole formed by the awl in the work piece in position to be inserted by the driver.

12. Fastening inserting mechanism having, in combination, a casing formed and arranged to be held in the hand of an operator, a plunger reciprocable therein, a driver carried by the plunger, and means for presenting fastenings in fastening inserting relation to the driver comprising a fastening receiving member pivoted for movement from fastening receiving to fastening presenting position, a lever secured thereto and carrying a gear segment, a gear member meshing with said gear segment, and a cam member carried by the plunger and formed and arranged to rock the gear member during the reciprocation of the plunger thereby moving the fastening presenting member to present a fastening in line with the driver.

13. Fastening inserting mechanism com- I prising a reciprocable driver bar, a driver carried thereby, a reciprocable awl bar, an awl carried by the awl bar, connections between the driver bar and the awl bar including a latch arranged to transmit movement T from the driver bar to the awl bar as the driver bar is reciprocated thereby causing the awl to penetrate a work piece, forming a. fastening receiving hole therein, means for thereafter releasing the latch thereby disconnecting the driver bar and the awl bar, means for moving the awl bar in a direction to withdraw the awl from the work piece after it is disconnected from the driver bar and for thereafter moving the awl out of alinement with the hole in the work piece, and means for presenting a fastening in alinement with the hole formed in the work piece by the awl and with the driver whereby continued movement of the driver bar and the driver is effective to cause the driver to drive a fastening into the hole.

14. Fastening inserting mechanism comprising a reciprocable driver bar, a driver carried thereby, a reciprocable awl bar, an awl carried by the awl bar, connections between the driver bar and the awl bar eifective to transmit movement from the driver bar to the awl bar during the early part of the movement of the driver bar from its inoperative position toward the work piece to insert a fastening therein, and a pivoted member constructed and arranged, for movement by the driver bar into engagement with a member carried by the awl bar after the awl has formed a fastening receivin hole in the work piece, said pivoted member by continued movement withdrawing the awl from the work piece and moving it out of alinement with the driver.

15. Fastening inserting mechanism comprising a casing, a reciprocable driver bar mounted for sliding movement in the casing, a driver carried thereby, a reciprocable awl bar also mounted 'for sliding movement in the casing, an awl carried by the awl bar, latch mechanism connecting the driver bar and the awl bar effective totrahsmit movement from the driver bar to the awl bar during the early part of the movement of the driver bar from its inoperative position toward a work piece to insert a fastening therein, and a cam member pivoted to the casing and constructed and arranged for movement by the driver bar into the path of movement of a member carried by the awl bar after the awl has formed a fastening receiving hole in the work piece, said cam member by continued movement withdrawing the awl from the work piece and moving it out of alinement with the driver.

16. A fastening inserting implement having, incombination, a casing formed and arranged to be held in the hand of an operator, a plunger reciprocable therein, a driven carried by the plunger, an awl bar movable in the casing, an awl carried by the awl bar, means for operating the awl bar to cause the awl to make fastening receiving holes in a work piece to which the implement is presented, and means for presenting fastenings in fastening inserting relation to the dri er comprising a fastening receiving member pivoted for movement from fastening receiving to fastening presenting position, a lever secured thereto and carrying a gear segment, a gear member meshing with said gear segment, and a cam member carried by the plunger and formed and arranged to rockthe gear member as the plunger is reciprocated thereby moving the fastening presenting member to present a fastening in line with the driver and with a hole formed by the awl in the work piece.

17. A fastening inserting implement provided with a casing formed and arranged to be held in the hand of an operator, a plunger reciprocable therein, a driver carried by the plunger, an awl bar mounted for reciprocation in the casing, an awl carried by the awl bar, means for reciprocating the awl bar, and means for causing the awl bar to move transversely of the casing during the early part of its reciprocation thereby moving the awl into line with the driver prior to its work penetrating movement and for moving the awl bar in the reverse direction at the conclusion of its return movement thereby moving the awl out of line with the driver, the awl bar reciprocating means including connections between the awl-bar and the plunger constructed and arranged to cause the early part of the movement of the plunger to move the awl bar thereby causing the awl to penetrate a work piece to which the implement is presented, and means for thereafter breaking the connection between the awl and the awl bar thereby permitting the return of the awl bar to inoperative position.

18. A fastening inserting implement provided with a casing formed and arranged to be held in the hand of an operator, a plunger reciprocable therein, a driver carried by the plunger, an awl bar mounted for reciprocation in the casing, an awl carried by the awl bar, connections between the plunger and the awl bar including a latch arranged to transmit movement from the plunger to the awl" bar during theearly part of the movement of:

the plunger toward a work piece to which the implement is presented to cause the awl to form a fastening receiving hole in the work piece, means for releasingsaid latch, means for returning, the awl bar to its original position when the latch is released, means for causing the awl bar to move transversely of the casing during the early part of its move-.

ment toward the work piece thereby moving the awl into line with the driver prior to its work penetrating movement and for moving the awl bar in the reverse direction at the conclusion of its return movement thereby moving the awl out of line with the driver,

and means for presenting a fastening in alinement with the hole formed in the work piece by the awl and with the driver whereby continued movement of the plunger is effec tive to cause the driver to drive the fastening into the hole.

' 19. Fastening inserting ,mechanism comprising a reciprocable driver bar, a driver carried thereby, a reciprocable awl bar, an

awl carried by the awl bar, connections between the driver bar and the awl bar including a latch-pivoted to the awl bar and arranged to engage a latch surface on the driver bar to transmit movement from the driver bar to the awl bar as the driver is reciprocated thereby causing the awl to penetrate a wort piece forming a fastening receiving hole therein, a cam member arranged to en-' rocked by -further movement of the driver bar thereby moving the awl bar in a direction to withdraw the awl from the work piece and subsequently moving the awl out of alinement with the hole in the work piece,

a and means for presenting a fastening in alinement with the hole formed in the work piece by the awl and with the driver whereby 0011s tinned movement of the driver bar and the driver is .efiec'tive to cause the driver to drive a fastening into the hole. i

20. Fastening inserting mechanism comprising a driverbar, a driver carried thereby, an awl bar, an awl carried thereby, connections between the driver bar and the awl bar constructed and-arranged to transmit move ment from the driver bar to the awl bar during the early part of the movement of the awl bar toward a work piece thereby moving the awl bar and the awl toward the work piece and causing the awl to form a fasten ing receiving hole therein, means for pre senting fastenings in fastening inserting relation to the driver and the hole formed in the work piece by the awl including a fastening, receiving member pivoted for movement from fastening receiving" to fasteningpresenting positlon, a lever secured thereto andfcarrying a gear segment,

gear member meshing with said gear. segment, acam member carried by the driver bar? and. formed and arranged to rock the gear member during thereciprocation ofthe Y plunger thereby moving the fastening presenting member to present a fasteningin line with the driver, said awl bar being provided with a projection positionedin the path of movement of acam surface formedon said gear member whereby the rocking of the gear member to bring the fastening receiving member into fastening presenting position is eifective also to withdraw the awl from the work piece.

21. Fastening inserting mechanism provided with a plunger movable toward a work piece through a normally predetermined path, a driver carried by the plunger, a spring tending to move the plunger to its inoperative position, a latch block carried by the plunger, latch member operative to engage the latch block thereby preventing the return of the plunger to its inoperative position when it has been moved therefrom through less than its complete normal path, a slide bar oper ated by the plunger and longitudinal movement of w iich renders the latch member inoperative to engage the latch block as the plunger completes its movement toward the work piece.

5 22. Fastening inserting mechanism including a driver bar movable toward and from a work piece through a normally predetermined path, a driver carried by the driver I bar, means tending to move the driver bar :4; to its inoperative position, a latch block carried by the driver bar and provided with a plurality of transverse grooves, a latch member past which the grooves move as the driver V bar is moved toward the work piece whereby z:, the return of the driver bar to the work piece is prevented by the engagement of the latch member in one of the slots if such return movement starts to take place before the driver bar is moved through its complete norit! mal path, and means for moving the latch member out of the path of movement of said latch block as the driver bar completes its movement toward the work piece.

23. Fastening inserting mechanism includ- 5; ing a driver bar movable toward and from a work piece through a normally predetermined path a driver carried by the driver bar, a spring tending to move the driver bar to its inoperative position, a latch block carried 3w by the driver bar and provided with a plurality of transverse grooves, a yielding latch member past which the grooves move as the driver bar is moved toward the work piece whereby the return of the driver bar to the 3.? work piece is prevented by the engagement of the latch member in one of the slots if such return movement starts to take place before the driver bar is moved through its complete normal path, a slide bar movable to render the latch member inoperative, and means for moving the slide bar as the driver bar completes its movement toward the work piece thereby rendering the latch member inoperative and permitting the return of the driver bar to its original position.

In testimony whereof I have signed my name to this specification.

FRED N. LA CHAPELLE. 

